Before the ".. describe",some codes are left out. I add them in this patch.
In addition, I change "[--property <key> ] to [--property <key> [...] ]
Change-Id: I37ae0ba53e2a2d43a4806b318c7776ff2260fd1d
Add ``--force`` option to ``volume qos delete`` command in volume
v1 and v2 to allow users to delete in-use QoS specification(s).
Change-Id: I46036e5f55ced8b8a1be54c521f2a5c242b89160
Closes-Bug: #1596821